On the INFJ thought process

Chemistry Teacher: "Student Kim" Class: "Here!" .... The moment the teacher finished taking attendance, I quietly opened my chemistry textbook. The first thing I saw when I looked down was, Hmm, Unit 1: Matter (forgot the title...) The next second... Speaking of which, I think I looked up some things on Wikipedia out of boredom last time I was studying... Let me think... I think I was looking up the relationship between quantum mechanics and general relativity. I think they said there was something called quantum gravity, but it wasn't successful, hmm! Oh, right, isn't 4-dimensional space formed by the intersection of one time line and three spatial lines.... Then what about spaces with more than four dimensions? Hiss! Could it be a transcendent world... Then the reincarnation system must be 6-dimensional (Six Paths of Reincarnation)!!! Oh no!?? It all fits together, I don't know if it's true, but doesn't Marvel also have the difference between main and alternate timelines!?? 2D space is formed by stacking countless 1D spaces, so wouldn't it be reasonable to stack timelines to form a main timeline, hmm, this might be useful for writing a novel.. Hmm... wait. If I reason this way, wouldn't there be two types of dimension travelers? One is time travel within the same dimension, and the other is... dimensional travel!?? Seems somewhat plausible. Just as I was lost in thought, imagining those questions in my head.. "Student Kim!" The teacher's shout startled me, jolting me back to reality. The teacher looked at me with a puzzled expression and, without saying anything, asked: "4g of hydrogen gas and 8g of oxygen gas = ?g of water" Me: "....."